SPEEDJAW 3 in Ductile Iron Bench Vise Mechanics tool A Quiet Classic for Effortless Number of Batteries Included:9 A Quiet Classic for Effortless Illumination 25 in Certifications and Listings UL Listed non slip grip 3 INCH JAWS 3 inch wide jaws open to a maximum of 3 1 4 inches with a 1 3 8 inch throat depth RATCHETING HANDLE ratcheting handle allows fine adjustment and increased mounting options beyond the edge of a work bench DETACHABLE BASE MOUNT unit clamps onto a 360 degree inscribed posi clock disc that allows for precise rotation and lets the vise be stored out of the way when not in use CAST DUCTILE IRON vise is made from high strength 61 UNSPSC 27112100